Final answer:
In a market economy, income comes from ownership of resources or assets, such as labor, real estate, or financial assets.
Step-by-step explanation:
In a market economy like the United States, income comes from ownership of the means of production: resources or assets. For the majority of people, the most important resource they own is their labor, which results in wages, salaries, commissions, tips, and other types of labor income. Additionally, some people earn income from owning real estate or financial assets like bank accounts, stocks, and bonds.